28968080

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3733}}^1$

素因数の和:3843

約数の個数: 40

約数和(自身を含む): 68063352

約数和(自身を除く): 39095272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3733, 3880, 7466, 7760, 14932, 18665, 29864, 37330, 59728, 74660, 149320, 298640, 362101, 724202, 1448404, 1810505, 2896808, 3621010, 5793616, 7242020, 14484040, 28968080]

約数ペア:

[(1, 28968080), (2, 14484040), (4, 7242020), (5, 5793616), (8, 3621010), (10, 2896808), (16, 1810505), (20, 1448404), (40, 724202), (80, 362101), (97, 298640), (194, 149320), (388, 74660), (485, 59728), (776, 37330), (970, 29864), (1552, 18665), (1940, 14932), (3733, 7760), (3880, 7466)]